Retraction Notice| Volume 173, ISSUE 4, P1109, April 2023

Retraction notice to <Retrovirally mediated RNA interference targeting the M2 subunit of ribonucleotide reductase (RRM2): a novel therapeutic strategy in pancreatic cancer [Surgery 136 (2004) 261-269]

Published:February 10, 2023DOI:
      This article has been retracted: please see Elsevier Policy on Article Withdrawal (
      This article has been retracted at the request of the Editors-in-Chief, because an investigation by Harvard Medical School and the Brigham and Women’s Hospital has concluded that Figure 1A is invalid and no underlying research data are available to resolve the discrepancies or validate the reported results.

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